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Configuration

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Anchor10916621091662 FAT Configuration Anchor10916631091663 Configuration constants can be used to enable/disable features within the FAT file system driver. Anchor10916651091665

FS_FAT_CFG_LFN_EN Anchor10916661091666

FS_FAT_CFG_LFN_EN is used to control whether long file names (LFNs) are supported. When DEF_DISABLED, all file names must be valid 8.3 short file names.

Anchor10916681091668FS_FAT_CFG_FAT12_EN Anchor10916691091669

FS_FAT_CFG_FAT12_EN is used to control whether FAT12 is supported. When DEF_DISABLED, FAT12 volumes can not be opened, nor can a device be formatted as a FAT12 volume.

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1091670FS_FAT_CFG_FAT16_EN Anchor10916711091671

FS_FAT_CFG_FAT16_EN is used to control whether FAT16 is supported. When DEF_DISABLED, FAT16 volumes can not be opened, nor can a device be formatted as a FAT16 volume.

Anchor10916721091672FS_FAT_CFG_FAT32_ENanchor10916731091673

FS_FAT_CFG_FAT32_EN is used to control whether FAT32 is supported. When DEF_DISABLED, FAT32 volumes can not be opened, nor can a device be formatted as a FAT32 volume.

Anchor10916741091674FS_FAT_CFG_JOURNAL_EN Anchor10929371092937

FS_FAT_CFG_JOURNAL_EN selects whether journaling functions will be present. When DEF_ENABLED, journaling functions are present; when DEF_DISABLED, journaling functions are not present. If disabled, the functions in

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the table below will not be available.

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Panel


FunctionFile
FS_FAT_JournalOpen()

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fs_fat_journal.c/.h

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FS_FAT_JournalClose()

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fs_fat_journal.c/.h

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FS_FAT_JournalStart()

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fs_fat_journal.c/.h

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FS_FAT_JournalEnd()

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fs_fat_journal.c/.h

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These functions are not included if FS_FAT_CFG_JOURNAL_EN is DEF_DISABLED.

Anchor10916831091683FS_FAT_CFG_VOL_CHK_ENanchor10916841091684

FS_FAT_CFG_VOL_CHK_EN selects whether volume check is supported. When DEF_ENABLED, volume check is supported; when DEF_DISABLED, the function FS_FAT_VolChk() will not be available.

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FS_FAT_CFG_VOL_CHK_MAX_LEVELS Anchor10916861091686

FS_FAT_CFG_VOL_CHK_MAX_LEVELS specifies the maximum number of directory levels that will be checked by the volume check function. Each level requires an additional 12 bytes stack space.